11140224240 has 80 divisors (see below), whose sum is σ = 35120073600. Its totient is φ = 2920371456.

The previous prime is 11140224223. The next prime is 11140224259. The reversal of 11140224240 is 4242204111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11140224240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379210 + ... + 407529.

It is an arithmetic number, because the mean of its divisors is an integer number (439000920).

Almost surely, 2^11140224240 is an apocalyptic number.

11140224240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140224240 is an abundant number, since it is smaller than the sum of its proper divisors (23979849360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11140224240 is a wasteful number, since it uses less digits than its factorization.

11140224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786814 (or 786808 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11140224240 its reverse (4242204111), we get a palindrome (15382428351).

The spelling of 11140224240 in words is "eleven billion, one hundred forty million, two hundred twenty-four thousand, two hundred forty".